updates error - could not get lock

[julianks]

Hi

This is similar to the error log I had recently, which resolved itself - but here it is again, so maybe I need to do something ?

(by the way I do make a regular donation to linux lite) thanks for your help
cheers
julian

Reading package lists...
E: Could not get lock /var/lib/apt/lists/lock. It is held by process 2404 (apt-get)
E: Unable to lock directory /var/lib/apt/lists/